From mboxrd@z Thu Jan 1 00:00:00 1970 From: zonque@gmail.com (Daniel Mack) Date: Mon, 29 Oct 2012 10:42:23 +0100 Subject: [PATCH 2/5] ARM: PXA: Zipit Z2: Add USB host and device support In-Reply-To: References: <1351438555-4668-1-git-send-email-anarsoul@gmail.com> <1351438555-4668-2-git-send-email-anarsoul@gmail.com> <201210282259.46491.marex@denx.de> Message-ID: <508E4F7F.7010607@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 29.10.2012 10:33, Vasily Khoruzhick wrote: > On Mon, Oct 29, 2012 at 1:58 AM, Daniel Mack wrote: >>> Any volunteers? :) It requires huge amount of work, >> >> Well, it's actually quite straight forward. With the changes that got merged >> to 3.7, pxa3xx platforms boot, and I also ported some pxa specific >> peripheral drivers that should work for both 2xx and 3xx. Adding CPU support >> for 27x should also just be a matter of some extra lines. >> >> So I would clearly say you should give the DT approach a try first and see >> which bits are missing. And I would vote for not taking any new features for >> the legacy board support files but just bugfixes. > > Fair enough, I'll resend series without USB stuff (so it'll contain > only bugfixes) I rather wanted to encourage you to work on the PXA2xx DT stuff :) Please have a quick look at arch/arm/mach-pxa/pxa-dt.c - what it takes for basic 270 support is just copying the logic that is there already for the 3xx models. Some parts like the uart, host-mode usb, mmc, gpio-leds, gpio-keys, i2c etc are already finished and should work instantly. What's missing is the spi controller and the display, but maybe you can help getting these done? Thanks, Daniel